Trading-strategy-back-tester

这是基于邻域粒化和粗糙逼近的数值属性约简matlab代码(This is a neighborhood-based grain and rough approximation of the value of attribute reduction matlab code)

HHT就是先将信号进行经验模态分解（EMD分解），然后将分解后的每个IMF分量进行Hilbert变换，得到信号的时频属性的一种时频分析方法。(HHT is the first signal empirical mode decomposition (EMD decomposition), and then each IMF component decomposed Hilbert transform, frequency analysis method of time-frequency properties obtained when a signal.)

Json parsing and fragments. uses for tests and make tutorials

MIMO信道估计,包括高斯噪声下的分析，对于初学者(ls,lmmse of mimo ofdm channel)

对给定的矩阵进行LtDL分解，相信相关专业的朋友一定了解。(For a given matrix LtDL decomposition, that some understanding of relevant professional friends.)

自编的图片旋转的函数，不是matlab原有的函数，而是根据原理自己写的(self picture rotation function, Matlab is not the original function, but on the basis of principles to write)

模糊自适应PID控制器（Simulink） 使用模糊控制器根据设定的模糊规则自适应调节PID控制器的三个参数(Fuzzy adaptive PID controller（Simulink） use fuzzy controller to tune three parameter of the PID controller through fuzzy rule )

说明：  通过一维映射和二维映射的软判决解码，以减少误码率(the soft-decision of 1D-SD and 2D-SD)

real track for the objective in wsn using target tracking way

RANSAC算法实现特征点发匹配并且计算相应 的基础矩阵(RANSAC algorithm for matching feature points and made the basis for calculating the corresponding matrix)